" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 5x + 7z - 6y - 2y + 8z - 9z + 10
= 12x - 8y - z + 10
2.15i + 14b + 13k - 30i - 45j + 51k
= 15i - 30i + 14b + 13k + 51k - 45j
= -15i + 14b + 13k - 45j
= 14b - 15i - 45j + 13k
3.13a +12a - 8b + 9b
= 25a + b
4. (3 - 17x + 35z) + (4x + 23y - 9)
= 3 - 17x + 35z + 4x +23y - 9
= 3 - 9 - 17x + 4x +35z + 23y
= -6 - 13x + 35z + 23y
5. (42n + 35m +7) - (50m - 20 + 9)
= 42n + 35m + 7 - 50m + 20 - 9
= 42n + 35m - 50m + 7 +20 -9
= 42n - 15m +18
6. (x-1) - (5x+3)
= x - 1 - 5x - 3
= x - 5x -1 -3
= -4x - 4